From 2622434ee0108c65808a63f067e72d0bbc75b372 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 30 Jul 2009 14:31:23 +0200 Subject: microblaze: Add checking mechanism for MSR instruction It was necessary to use fourth parameter(r8) in early_printk to show messages on console. Signed-off-by: Michal Simek --- arch/microblaze/kernel/setup.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'arch/microblaze/kernel/setup.c') diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 2a97bf513b64..8c1e0f4dcf18 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -94,7 +94,7 @@ inline unsigned get_romfs_len(unsigned *addr) #endif /* CONFIG_MTD_UCLINUX_EBSS */ void __init machine_early_init(const char *cmdline, unsigned int ram, - unsigned int fdt) + unsigned int fdt, unsigned int msr) { unsigned long *src, *dst = (unsigned long *)0x0; @@ -157,6 +157,16 @@ void __init machine_early_init(const char *cmdline, unsigned int ram, early_printk("New klimit: 0x%08x\n", (unsigned)klimit); #endif +#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR + if (msr) + early_printk("!!!Your kernel has setup MSR instruction but " + "CPU don't have it %d\n", msr); +#else + if (!msr) + early_printk("!!!Your kernel not setup MSR instruction but " + "CPU have it %d\n", msr); +#endif + for (src = __ivt_start; src < __ivt_end; src++, dst++) *dst = *src; -- cgit v1.2.3-59-g8ed1b